Bug 735969 - Revert the disable version downgrade check workaround from Bug 735784. r=rstrong

modules/libmar/tool/mar.c

@@ -174,8 +174,7 @@ int main(int argc, char **argv) {
   case 'c': {
     struct ProductInformationBlock infoBlock;
     infoBlock.MARChannelID = MARChannelID;
-    /* Temporarily hardcoded - see Bug 735784 */
-    infoBlock.productVersion = "13.0a1";/*productVersion;*/
+    infoBlock.productVersion = productVersion;
     return mar_create(argv[2], argc - 3, argv + 3, &infoBlock);
   }
   case 'i': {

toolkit/mozapps/update/updater/archivereader.cpp

@@ -219,8 +219,6 @@ ArchiveReader::VerifyProductInformation(const char *MARChannelID,
     }
   }
 
-// Temporarily disabled - see Bug 735784
-#if 0
   if (rv == OK) {
     /* Compare both versions to ensure we don't have a downgrade
         -1 if appVersion is older than productInfoBlock.productVersion
@@ -237,7 +235,6 @@ ArchiveReader::VerifyProductInformation(const char *MARChannelID,
       rv = VERSION_DOWNGRADE_ERROR;
     }
   }
-#endif
 
   free((void *)productInfoBlock.MARChannelID);
   free((void *)productInfoBlock.productVersion);